# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#

include $(TOPDIR)/rules.mk

PKG_NPM_NAME:=bufferutil
PKG_NAME:=node-$(PKG_NPM_NAME)
PKG_VERSION:=4.0.3
PKG_RELEASE:=2

PKG_SOURCE:=$(PKG_NPM_NAME)-$(PKG_VERSION).tgz
PKG_SOURCE_URL:=https://registry.npmjs.org/$(PKG_NPM_NAME)/-/
PKG_HASH:=248d75d99ff66be04fef3f271dff224d4e0183a693d4777387e4bce9481bfe90

PKG_MAINTAINER:=Hirokazu MORIKAWA <morikw2@gmail.com>
PKG_LICENSE:=MIT
PKG_LICENSE_FILES:=LICENSE

PKG_BUILD_DEPENDS:=node/host
PKG_BUILD_PARALLEL:=1
PKG_USE_MIPS16:=0

include $(INCLUDE_DIR)/package.mk

define Package/node-bufferutil
  SUBMENU:=Node.js
  SECTION:=lang
  CATEGORY:=Languages
  TITLE:=WebSocket buffer utils
  URL:=https://www.npmjs.org/package/bufferutil
  DEPENDS:=+node
endef

define Package/node-bufferutil/description
 bufferutil is what makes ws fast. It provides some utilities to efficiently perform some operations such as masking and unmasking the data payload of WebSocket frames.
endef

TAR_OPTIONS+= --strip-components 1
TAR_CMD=$(HOST_TAR) -C $(1) $(TAR_OPTIONS)

NODEJS_CPU:=$(subst powerpc,ppc,$(subst aarch64,arm64,$(subst x86_64,x64,$(subst i386,ia32,$(ARCH)))))
TMPNPM:=$(shell mktemp -u XXXXXXXXXX)

TARGET_CFLAGS+=$(FPIC)
TARGET_CPPFLAGS+=$(FPIC)

define Build/Compile
	cd $(PKG_BUILD_DIR); \
	$(MAKE_VARS) \
	$(MAKE_FLAGS) \
	npm_config_nodedir=$(STAGING_DIR)/usr/ \
	npm_config_cache=$(TMP_DIR)/npm-cache-$(TMPNPM) \
	npm_config_tmp=$(TMP_DIR)/npm-tmp-$(TMPNPM) \
	npm install --production --global-style --no-save --omit=dev --no-package-lock --build-from-source  --target_arch=$(NODEJS_CPU)
	rm -rf $(TMP_DIR)/npm-tmp-$(TMPNPM)
	rm -rf $(TMP_DIR)/npm-cache-$(TMPNPM)
	rm -f $(PKG_BUILD_DIR)/node_modules/.package-lock.json
	find $(PKG_BUILD_DIR)/node_modules -type d -empty -print0 | xargs -0 rmdir || true
endef

define Package/node-bufferutil/install
	$(INSTALL_DIR) $(1)/usr/lib/node/$(PKG_NPM_NAME)
	$(CP) $(PKG_BUILD_DIR)/{package.json,*.md} \
		$(1)/usr/lib/node/$(PKG_NPM_NAME)/
	$(CP) $(PKG_BUILD_DIR)/{LICENSE,*.js} \
		$(1)/usr/lib/node/$(PKG_NPM_NAME)/
	$(CP) $(PKG_BUILD_DIR)/node_modules \
		$(1)/usr/lib/node/$(PKG_NPM_NAME)/
	$(INSTALL_DIR) $(1)/usr/lib/node/$(PKG_NPM_NAME)/build/Release
	$(CP) $(PKG_BUILD_DIR)/build/Release/bufferutil.node \
		$(1)/usr/lib/node/$(PKG_NPM_NAME)/build/Release/
	$(INSTALL_DIR) $(1)/usr/lib/node_modules
	$(LN) ../node/$(PKG_NPM_NAME) $(1)/usr/lib/node_modules/$(PKG_NPM_NAME)
endef

define Package/node-bufferutil/postrm
#!/bin/sh
rm /usr/lib/node_modules/bufferutil || true
rm -rf /usr/lib/node/bufferutil || true
endef

$(eval $(call BuildPackage,node-bufferutil))
